Teacup



FIG. 1 is a side elevational view of a teacup showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is a left side elevational view thereof; and

FIG. 5 is a right side elevational view thereof. 

The ornamental design for a teacup, as shown, and described. 